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Davidlohr Bueso f808c13fd3 lib/interval_tree: fast overlap detection 
Allow interval trees to quickly check for overlaps to avoid unnecesary
tree lookups in interval_tree_iter_first().

As of this patch, all interval tree flavors will require using a
'rb_root_cached' such that we can have the leftmost node easily
available.  While most users will make use of this feature, those with
special functions (in addition to the generic insert, delete, search
calls) will avoid using the cached option as they can do funky things
with insertions -- for example, vma_interval_tree_insert_after().

[jglisse@redhat.com: fix deadlock from typo vm_lock_anon_vma()]
  Link: http://lkml.kernel.org/r/20170808225719.20723-1-jglisse@redhat.com
Link: http://lkml.kernel.org/r/20170719014603.19029-12-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Doug Ledford <dledford@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2017-09-08 18:26:49 -07:00
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accessibility
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acpi Device properties framework updates for v4.14-rc1 2017-09-05 12:50:00 -07:00
amba
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android ANDROID: binder: don't queue async transactions to thread. 2017-09-01 09:22:50 +02:00
ata Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2017-09-06 22:41:21 -07:00
atm
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auxdisplay
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base treewide: make "nr_cpu_ids" unsigned 2017-09-08 18:26:48 -07:00
bcma
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block drivers/block/zram/zram_drv.c: convert to using memset_l 2017-09-08 18:26:48 -07:00
bluetooth
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bus
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cdrom
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char Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-09-06 15:17:17 -07:00
clk clk: sunxi-ng: Provide a default reset hook 2017-08-30 15:03:52 +02:00
clocksource Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 13:06:34 -07:00
connector
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cpufreq ACPI updates for v4.14-rc1 2017-09-05 12:45:03 -07:00
cpuidle Power management updates for v4.14-rc1 2017-09-05 12:19:08 -07:00
crypto dmaengine updates for 4.14-rc1 2017-09-07 14:03:05 -07:00
dax
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dca
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devfreq PM / devfreq: Fix memory leak when fail to register device 2017-08-28 10:31:08 +09:00
dio
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dma dmaengine updates for 4.14-rc1 2017-09-07 14:03:05 -07:00
dma-buf
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edac
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eisa
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extcon
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firewire
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firmware Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-07 09:42:35 -07:00
fmc drivers/fmc: carrier can program FPGA on registration 2017-08-28 16:24:22 +02:00
fpga
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fsi drivers/fsi/scom: Remove reset before every putscom 2017-08-28 17:15:16 +02:00
gpio - New Drivers 2017-09-07 13:51:13 -07:00
gpu lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
hid media updates for v4.14-rc1 2017-09-07 12:53:14 -07:00
hsi
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hv Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-07 09:25:15 -07:00
hwmon Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', 'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged 2017-09-05 08:45:36 +01:00
hwspinlock
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hwtracing stm class / intel_th: Updates for 4.14 2017-08-28 16:58:19 +02:00
i2c i2c: designware: Round down ACPI provided clk to nearest supported clk 2017-08-31 20:27:39 +02:00
ide Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
idle Power management updates for v4.14-rc1 2017-09-05 12:19:08 -07:00
iio - New Drivers 2017-09-07 13:51:13 -07:00
infiniband lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
input - New Drivers 2017-09-07 13:51:13 -07:00
iommu Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 12:21:28 -07:00
ipack
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irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 13:08:27 -07:00
isdn
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leds LED updates for 4.14 2017-09-07 14:33:13 -07:00
lightnvm
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macintosh powerpc/macintosh: constify wf_sensor_ops structures 2017-09-01 16:42:54 +10:00
mailbox Just behavorial changes to a controller driver: 2017-09-07 13:23:37 -07:00
mcb Char/Misc drivers for 4.14-rc1 2017-09-05 11:08:17 -07:00
md Merge tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2017-09-07 12:41:48 -07:00
media media updates for v4.14-rc1 2017-09-07 12:53:14 -07:00
memory mfd: syscon: atmel-smc: Add helper to retrieve register layout 2017-09-05 08:46:01 +01:00
memstick
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message scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough 2017-08-29 21:51:45 -04:00
mfd - New Drivers 2017-09-07 13:51:13 -07:00
misc powerpc updates for 4.14 2017-09-07 10:15:40 -07:00
mmc mmc: renesas_sdhi: Add r8a7743/5 support 2017-09-01 15:31:01 +02:00
mtd linux/kernel.h: move DIV_ROUND_DOWN_ULL() macro 2017-09-08 18:26:47 -07:00
mux mux: make device_type const 2017-08-29 13:46:35 +02:00
net - For the randstruct plugin, enable automatic randomization of structures 2017-09-07 20:30:19 -07:00
nfc
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ntb
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nubus
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nvdimm Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
nvme Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
nvmem nvmem: core: remove unneeded NULL check 2017-08-28 17:33:23 +02:00
of DeviceTree updates for 4.14: 2017-09-07 14:43:33 -07:00
oprofile
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parisc
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parport Char/Misc drivers for 4.14-rc1 2017-09-05 11:08:17 -07:00
pci Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-07 09:25:15 -07:00
pcmcia
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perf
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phy - New Drivers 2017-09-07 13:51:13 -07:00
pinctrl - New Drivers 2017-09-07 13:51:13 -07:00
platform Merge branch 'pm-sleep' 2017-09-04 00:06:02 +02:00
pnp
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power - New Drivers 2017-09-07 13:51:13 -07:00
powercap
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pps
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ps3
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ptp
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pwm Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', 'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged 2017-09-05 08:45:36 +01:00
rapidio
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ras
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regulator - New Drivers 2017-09-07 13:51:13 -07:00
remoteproc
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reset
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rpmsg
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rtc Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', 'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged 2017-09-05 08:45:36 +01:00
s390 SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
sbus
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scsi treewide: make "nr_cpu_ids" unsigned 2017-09-08 18:26:48 -07:00
sfi
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sh
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sn
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soc
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spi ACPI updates for v4.14-rc1 2017-09-05 12:45:03 -07:00
spmi spmi: pmic-arb: Move the ownership check to irq_chip callback 2017-08-28 13:52:22 +02:00
ssb
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staging SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
target Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
tc
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tee
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thermal
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thunderbolt ACPI updates for v4.14-rc1 2017-09-05 12:45:03 -07:00
tty powerpc updates for 4.14 2017-09-07 10:15:40 -07:00
uio
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usb SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
uwb
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vfio
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vhost lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
video - Fix-ups 2017-09-07 13:55:16 -07:00
virt virt: Convert to using %pOF instead of full_name 2017-08-29 08:52:51 -05:00
virtio SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
vlynq
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vme
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w1 drivers: w1: add hwmon temp support for w1_therm 2017-08-31 18:50:14 +02:00
watchdog mfd: twl: Move header file out of I2C realm 2017-09-04 14:41:02 +01:00
xen xen: fixes and features for 4.14 2017-09-07 10:24:21 -07:00
zorro
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Kconfig
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Makefile
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